Seiko Cal. 6643 - 219

Seiko 6643-219

This Solar model from 1972 features a 37mm Hardlex-Coated Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a6de6423c447]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
110m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1972

Related Models

seikata-wm-a6de6423c447